MXenes: Are they emerging materials for analytical chemistry applications? – A review

Research output: Contribution to journalReview articlepeer-review

55 Scopus citations

Abstract

MXenes are an emerging class of 2D materials that exhibit unique properties of high conductivity and hydrophilicity. They can be easily functionalized with other materials due to the abundance of surface terminated functionalities. The versatile chemistry of MXenes allows fine-tuning their properties for different analytical chemistry applications such as electrochemical and optical sensing. MXenes may also be useful adsorbents for analytical extractions due to their exceptional surface chemistry, high surface areas, and ease of functionalization as per the nature of the target compounds. The features of the MXenes that can make them excellent materials for analytical applications are listed and critically appraised. The emerging applications of MXenes in electrochemical and optical sensing are discussed with the pertinent examples. The potential of MXene-based sorbents for analytical extractions is highlighted based on the current literature that describes their applications in adsorptive removal and environmental remediation. In the end, limitations, challenges, and future opportunities are briefly presented.

Original languageEnglish
Pages (from-to)267-280
Number of pages14
JournalAnalytica Chimica Acta
Volume1143
DOIs
StatePublished - 25 Jan 2021

Bibliographical note

Publisher Copyright:
© 2020 Elsevier B.V.

Keywords

  • Adsorbents
  • Electrochemical sensing
  • Layered materials
  • MAX phases
  • MXenes
  • Optical sensing

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

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